Round: 44 Ground: Clay
| ITF Germany F6 | 2017/07/02 08:00 | Robi Tholl v Lennart Melzer | 6-0,6-0 |
| ITF Belgium F13 Qual | 2016/09/05 12:05 | Esteban Bruna v Robi Tholl | 6-1,6-3 |
| ITF Germany F7 | 2016/07/10 09:30 | Robi Tholl v Adrian Oetzbach | 3-6,1-6 |
| ITF Germany F5 | 2017/06/27 12:40 | Valentin Guenther v Peter Heller | 1-6,4-6 |
| ITF Germany F4 | 2017/06/22 12:00 | Bernabe Zapata Miralles v Valentin Guenther | 6-4,6-1 |
| ITF Germany F4 | 2017/06/21 10:45 | Valentin Guenther v Niclas Braun | 6-0,6-0 |
| ITF Germany F4 | 2017/06/19 11:00 | Alexander Mannapov v Valentin Guenther | 4-6,1-6 |
| ITF Germany F4 | 2017/06/18 14:00 | Yannick Staschen v Valentin Guenther | 2-6,4-6 |
| ITF Germany F4 | 2017/06/17 10:30 | Joel Vincent Link v Valentin Guenther | 1-6,4-6 |
| ITF Turkey F19 Qual | 2017/05/15 07:00 | Valentin Guenther v Juan Bautista Otegui | 3-6,3-6 |
| ITF Turkey F19 Qual | 2017/05/14 07:00 | Lance-Pierre Du Toit v Valentin Guenther | 5-7,0-6 |